Home / 12,280,418,866.06-16,946,978,061.78-6,641,634,716.73

Finding the Fourth Proportional to 12,280,418,866.06, 16,946,978,061.78 and 6,641,634,716.73

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Solution

The fourth proportional to 12,280,418,866.06, 16,946,978,061.78 and 6,641,634,716.73 is: 9,165,455,923.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,280,418,866.06 : 16,946,978,061.78 = 6,641,634,716.73 : x
  2. Step 2: Convert to fraction form
    12,280,418,866.06/16,946,978,061.78 = 6,641,634,716.73/x
  3. Step 3: Cross multiply
    12,280,418,866.06x = 16,946,978,061.78 × 6,641,634,716.73
  4. Step 4: Simplify right side
    12,280,418,866.06x = 112,555,637,838,779,727,872
  5. Step 5: Solve for x
    x = 112,555,637,838,779,727,872/12,280,418,866.06
  6. Step 6: Final answer
    x = 9,165,455,923.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.